24 results
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis: CN Ill ... Mydriasis • Bilateral ... Miosis: Horner's syndrome ... , uveitis) • Bilateral ... differential #diagnosis #ophthalmology
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
Lateral Medullary ... Syndrome - Wallenberg's ... Syndrome Acute ... @neudrawlogy #Lateral ... #Wallenbergs #neurology
Bilateral Abducens Nerve Palsy (CNVI)

#Bilateral #Abducens #Nerve #Palsy #CNVI #CN6 #clinical #video #neurology #ophthalmology #physicalexam
Bilateral Abducens ... Palsy (CNVI) #Bilateral ... #Palsy #CNVI #CN6 ... clinical #video #neurology ... #ophthalmology
Bilateral CN6 Palsy

Subtle bilateral abducens nerve palsy in a patient found to have IIH.

@anterior_seg_rocks

#Abducens #CN6 #CNVI
Bilateral CN6 Palsy ... Subtle bilateral ... #Abducens #CN6 ... #physicalexam #ophthalmology ... #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve Palsy • CN ... Nerve palsy • CN ... One-and-a-half Syndrome ... #Localization #ophthalmology ... #neurology #differential
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
photophobia - Bilateral ... headache: - Bilateral ... Trochlear headache • CNS ... differential #diagnosis #ophthalmology ... #Neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Biceps - C5, C6 ... • Cauda Equina Syndrome ... dysfunction, and bilateral ... dorsum of foot and lateral ... Myotomes #diagnosis #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
dissociaton; • Usually unilateral ... Holmes-Adie Syndrome ... Diagnosis: • CN ... #PhysicalExam #neurology ... #ophthalmology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Vestibulocochlear Nerve (CN ... (TIA): • Lateral ... medullary syndrome ... Wallenberg syndrome ... differential #diagnosis #neurology
Bilateral tonic pupils observed in the patient with Ross syndrome. 
Absence of bilateral pupillary contraction despite
Bilateral tonic ... patient with Ross syndrome ... clinical #video #ophthalmology ... #ross #syndrome ... #neurology #absent